r300/compiler: do not use copy propagation if SaturateMode is used

NOTE: This is a candidate for the 7.9 branch.

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
index e288930..3be50b9 100644 (file)
--- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
@@ -163,7 +163,8 @@ static void copy_propagate(struct radeon_compiler * c, struct rc_instruction * i
 
        if (inst_mov->U.I.DstReg.File != RC_FILE_TEMPORARY ||
            inst_mov->U.I.DstReg.RelAddr ||
-           inst_mov->U.I.WriteALUResult)
+           inst_mov->U.I.WriteALUResult ||
+           inst_mov->U.I.SaturateMode)
                return;
 
        memset(&s, 0, sizeof(s));